html,
body {
  height: 100%;
  margin: 0;
  font-family: Arial, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

.container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: large;
}

footer {
  text-align: center;
  padding: 10px;
  font-size: small;
}

#randomImage {
  height: 300px;
  width: 400px;
}

#theButton {
  font-size: medium;
  padding: 10px;
}